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Zenithal Hourly Rate
English
Meaning
Zenithal Hourly Rate
meaning
What does
Zenithal Hourly Rate
mean?
Zenithal Hourly Rate
noun
—
(
astronomy
)
The
number
of
meteors
a
single
observer
would
see
in
one
hour
under
a
clear
,
dark
sky
(
i
.
e
.
up
to
the
limiting
apparent
magnitude
of
6.5).
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Zenithal
|
Hourly
|
Rate
zenithal projection
|
zenithal passage
|
zenithal chart
|
zenithal equal-area projection
|
zenithal equidistant projetion
|
zenithally
|
zenithal
|
zenith projection
|
zenith telescope
|
zenith distance
|
zenith column
|
zenith prism